Table of Contents
Advertisement
10.4 Recovering from a Failure
10.4.1 Detecting a failure
When a failure is detected in the RAID1, the following actions are executed by this equipment.
No.
1
The DRIVE status lamp lights in red.
2
The digital LEDs for status indications indicate an output message.
(See 9.6.1 POST messages and the HF-W2000 Model 58/55/50 RAS
FEATURES MANUAL.)
3
The alarm lamp lights in red.
4
The MCALL external contact (maintenance personnel call signal) is
closed.
(See 5.8.2 External contact specifications.)
5
Data is recorded by using the event log.
(See 9.4 Event Log.)
6
The HDD status of RAID1 is displayed in the Hardware status
window.
(See 4.1.3 Hardware status window in the HF-W2000 Model 58/55/50
RAS FEATURES MANUAL.)
NOTE
If a RAID1 failure is detected in this equipment, degradation operations are performed for one of the HDDs. When
the equipment starts up for the first time after this migration to degradation operations, you might need to restart
the equipment again to fully ensure that startup from the failed HDD is suppressed.
The following describes how to recover from each type of failure and how to handle problems that occur during
recovery work.
Table 10-1 List of actions when a RAID1 failure is detected
Action
HDD failure
(either in one or both drives)
HDD failure (either drive)
10-9
10. SOFTWARE RAID1
Cause
Advertisement
Table of Contents
